Probiotic

Postbiotics

Also known as: Heat-killed probiotics, Bacterial lysates, Probiotic metabolites

Evidence

Metabolites and cell components from probiotics without live organisms. Good option for those who can't tolerate live probiotics.

Primary uses

Gut health
Immune support
Probiotic alternative

How it works

Beneficial without live organisms
Includes SCFAs, peptides, cell wall components
No risk of sepsis

Dosage

Typical range: Varies by product
Timing: Any time
With food: Either way
Duration: Safe long-term
Special populations: Immunocompromised who can't use live probiotics

Forms

Capsules
Powder

Safety

Common side effects

Minimal

Contraindications

None

Evidence notes

Emerging category with benefits

Grade B: Some human trials support key claims; further confirmation needed.

Related in Probiotic

Check a full stack

Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.

Open the checker

Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.